Summerville Oregon Climate Data

Monthly Average Climate Data for Summerville Oregon

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-4 °C3.6 °C53.59 mm
February-3.2 °C6.3 °C38.1 mm
March-1.3 °C10.8 °C47.5 mm
April0.8 °C14.6 °C41.15 mm
May4.4 °C19.6 °C52.58 mm
June7.2 °C23.8 °C36.07 mm
July9.7 °C30.3 °C11.43 mm
August8.8 °C30.6 °C12.45 mm
September5.3 °C25.3 °C15.75 mm
October1.1 °C16.9 °C37.85 mm
November-1.4 °C8.5 °C50.29 mm
December-4.3 °C3.4 °C56.64 mm
Annual1.9 °C16.1 °C453.4 mm

Climate Data for Summerville Oregon

Average First Frost DateSep. 21 - Sep. 30
Average Last Frost DateMay 21 - May 31
Average Days With Frost150-180 Days
Plant Hardiness Zone - 2023Zone 6b : -20.6°C to -17.8°C
Plant Hardiness Zone - 2012Zone 6b : -20.6°C to -17.8°C
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDsb - Humid Continental Climate - Dry Cool Summer
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